Pentomino puzzles
The pentomino set consists of the twelve different pieces that can be built from five identical squares. In the portal they have often been combined with other puzzle types like Sudoku or Slither Link, but also Magnets or Tapa.
| Description | solved | Rating | |
|---|---|---|---|
 | Compass Construction (Pentominoes) by Myxo (yesterday, 12:18) | 27 |  98 % |
| Conway Criterion (Touching Pentominoes) by sfushidahardy (on 31. October 2026, 16:19) | 20 | 91 % |
 | Pentominous 2 by Lizzy01 (on 16. September 2026, 16:24) | 39 |  93 % |
| Pentominous by Lizzy01 (on 11. August 2026, 11:56) | 42 | 94 % |
| CTC Pentominos by Wombat_Breath (on 2. August 2026, 06:48) | 1 |  N/A |
| Koala by Wombat_Breath (on 30. July 2026, 09:02) | 2 | N/A |
| Folding Paper Boxes by Kutsumi Hane (on 1. March 2026, 16:59) | 16 | 85 % |
| KLAUS and MAUS: Mind Your P's and Q's by psams (on 15. February 2026, 21:13) | 10 | N/A |
| The Office by psams (on 11. February 2026, 05:44) | 21 | 85 % |
| Pair of pentominoes by prismic911 (on 30. January 2026, 11:59) | 7 | N/A |
| Interphase (Cave/Nurikabe/Pentominoes) by dumediat (on 8. January 2026, 02:57) | 39 |  94 % |
| Wichtels Rätselherbst 2025 (14 und Schluss): Eisbahn auf dem Weihnachtsmarkt by wichtel (on 18. December 2025, 20:25) | 9 |  N/A |
| Flip by chrisjnap (on 22. November 2025, 18:34) | 7 | N/A |
| Elemental Balance by Xidak11 (on 20. November 2025, 03:46) | 2 | N/A |
| Enclosure by damasosos92 (on 15. November 2025, 13:42) | 14 | 92 % |
| Wichtels Rätselherbst 2025 (5): Die verschneite Eisbahn by wichtel (on 25. October 2025, 20:25) | 17 | 96 % |
| 2D Printer (Pentomino + Loop) by sfushidahardy (on 17. September 2025, 18:29) | 26 | 99 % |
| Tenuity (Japanese sums/Pentomino chain) by dumediat (on 14. September 2025, 15:03) | 31 |  98 % |
| [PAC] Funky Fishing Trip by rockratzero (on 12. September 2025, 06:48) | 22 | 90 % |
| LOST by Blobz (on 18. August 2025, 16:00) | 117 | 95 % |
